PDMAA hydrogel coated u-bend humidity sensor suited for mass-production

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Abstract: We present a full-polymer respiratory monitoring device suited for application in environments with strong magnetic fields (e.g., during an MRI measurement). The sensor is based on the well-known evanescent field method and consists of a 1 mm plastic optical fiber with a bent region where the cladding is removed and the fiber is coated with poly-dimethylacrylamide (PDMAA). The combination of materials allows for a mass-production of the device by spray-coating and enables integration in disposable medical devices like oxygen masks, which we demonstrate here. We also present results of the application of an autocorrelation-based algorithm for respiratory frequency determination that is relevant for real applications of the device

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch
Notes
Sensors. 17, 3 (2017), 517, DOI 10.3390/s17030517, issn: 1424-8220
IN COPYRIGHT http://rightsstatements.org/page/InC/1.0 rs

Classification
Industrielle und handwerkliche Fertigung
Keyword
Wellenleiter
Feuchtigkeitsmesser

Event
Veröffentlichung
(where)
Freiburg
(who)
Universität
(when)
2017
Creator
Contributor

DOI
10.3390/s17030517
URN
urn:nbn:de:bsz:25-freidok-131965
Rights
Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
25.03.2025, 1:50 PM CET

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Associated

Time of origin

  • 2017

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